2 files changed, 31 insertions, 0 deletions
diff --git a/web/package.json b/web/package.json
index f0b3ae6a..90ec031b 100644
--- a/web/package.json
+++ b/web/package.json
@@ -13,6 +13,11 @@
     ],
     "unmockedModulePathPatterns": [
       "react"
+    ],
+    "coverageDirectory":"./coverage",
+    "collectCoverage": true,
+    "coveragePathIgnorePatterns": [
+        "<rootDir>/src/js/filt/filt.js"
     ]
   },
   "dependencies": {
diff --git a/web/src/js/__tests__/ducks/settingsSpec.js b/web/src/js/__tests__/ducks/settingsSpec.js
new file mode 100644
index 00000000..cb9df918
--- /dev/null
+++ b/web/src/js/__tests__/ducks/settingsSpec.js
@@ -0,0 +1,26 @@
+jest.unmock('../../ducks/settings')
+jest.mock('../../utils')
+
+import reduceSettings, * as SettingsActions from '../../ducks/settings'
+
+describe('setting reducer', () => {
+    it('should return initial state', () => {
+        expect(reduceSettings(undefined, {})).toEqual({})
+    })
+
+    it('should handle receive action', () => {
+        let action = { type: SettingsActions.RECEIVE, data: 'foo' }
+        expect(reduceSettings(undefined, action)).toEqual('foo')
+    })
+
+    it('should handle update action', () => {
+        let action = {type: SettingsActions.UPDATE, data: {id: 1} }
+        expect(reduceSettings(undefined, action)).toEqual({id: 1})
+    })
+})
+
+describe('setting actions', () => {
+    it('should be possible to update setting', () => {
+        expect(reduceSettings(undefined, SettingsActions.update())).toEqual({})
+    })
+})